Water System Checklist - Manitowoc EC18 Technician's Handbook

Water System Checklist

A water-related problem often causes the same
symptoms as a refrigeration system component
malfunction.
Water system problems must be identified and
eliminated prior to replacing refrigeration components.
Water area (evaporator) is dirty
 Clean as needed
Water inlet pressure not between 1.4 and 5.5 bar
 Install a water regulator valve or increase the water
pressure
Incoming water temperature is not between 
1.7°C and 32.2°C
 If too hot, check the hot water line check valves in
other store equipment
Water filtration is plugged (if used)
 Install a new water filter
Hoses, fittings, etc., are leaking water
 Repair/replace as needed
Water inlet valve is stuck open or closed
 Clean/replace as needed
Water is spraying out of the sump trough area
 Stop the water spray
Uneven water flow across the evaporator
 Clean the ice machine
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